The chronology of visits and assessments performed in the VVS-SAS registry
| Months | Enrolment | Annual follow-up visits* |
| Baseline visit (V0) | V12, V24… | |
| M0 | M12, M24…. | |
| Enrolment | ||
| Patient information | X | |
| Verification of eligibility criteria | X | |
| Assessments | ||
| Baseline data collection | X | |
| Clinical examination | X | X |
| Description of syncope symptoms | X | X |
| Blood panel | X | |
| Echocardiography | X | |
| 24-hour Holter monitoring† | X | X‡ |
| Table tilt test | X | |
| Polysomnography | X | X‡ |
| Multiple sleep latency test | X | X‡ |
| Questionnaires | X | X |
| Treatments for VVS and SAS | X | X |
| SAS treatment characterisation | X | |
*The total number of annual follow-up visits will be determined on a per-patient basis by the time required to recruit 60 patients, plus one additional year of follow-up.
†Continuous data collection for both blood pressure and cardiac rhythm.
‡At V12 only.